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HTS 2921Chapter 29

HTS 2921Amine-function compounds Duty Rate & Import Guide

Organic Chemicals · 1 pending regulation · 15 court cases · $57.2M monthly imports · 100% from 1 countries · Updated daily from USITC

Duty Rates

General

Free

Special

Free

Column 2

Free

Trade Agreement Eligibility

CUSMAKORUS

Trade Intelligence

Monthly Imports

$57.2M

2026-01

Trade Concentration

100%

from top 3 of 1 origins

Regulatory Pressure

HIGH

0 rulings — · 1 reg · 9 CIT, 6 CAFC

Global Rates

🇺🇸 Free

🇬🇧 United Kingdom: N/A · 🇪🇺 European Union: N/A · 🇨🇦 Canada: N/A · 🇧🇷 Brazil: N/A

Compare All →

Data compiled from USITC HTS, US Census Bureau, Federal Register, CourtListener · As of 2026-04-29 · Updates monthly

Active DisputesRecent court cases or pending regulations affect this code
Regulatory Pressure

This code has elevated regulatory activity — 0 CBP rulings (0 in last 2 years, trend: stable), 1 pending Federal Register actions, and 15 CIT/CAFC cases.

Supply Chain Risk

100% of US imports for this code come from just 1 countries. High origin concentration increases exposure to trade disruptions or tariff escalations.

Trade Remedy

Additional Tariffs Apply

Section 301 — China Tariffs+25%

List 2 — ~$16B of Chinese goods (semiconductors, chemicals, plastics)

Active — 7.5%–25% additional duties on Chinese-origin goods across four tranches (Lists 1–4A), with higher 2024/2025 increases on targeted product categories.

Effective 2018-07-06

These additional tariffs apply on top of the general duty rate. View full trade remedy tracker →

Subheadings (92)

CodeDescriptionRate
2921.11.00.00Methylamine, di- or trimethylamine and their salts3.7%
2921.12.01.002-(N,N-Dimethylamino)ethyl chloride hydrochlorideFree
2921.13.00.002-(N,N-Diethylamino)ethyl chloride hydrochlorideFree
2921.14.00.002-(N,N,-Diisopropylamino)ethyl chloride hydrochloride6.5%
2921.19Other:
2921.19.11.00Mono-, di- and triethylamines;mono-, di-, and tri-(propyl- and butyl-)monoamines; salts of any of the foregoing3.7%
2921.19.31.003-Amino-3-methyl-1-butyne; (Dimethylamino)isopropyl chloride hydrochlorideFree
2921.19.61Other6.5%
2921.19.61.10<i>N</i>,<i>N</i>-Dialkyl (methyl, ethyl or <i>n</i>-propyl)-2-chloroethylamines and their protonated salts
2921.19.61.20Bis(2-chloroethyl)ethylamine)
2921.19.61.30Chlormethine (INN) (bis(2-chloroethyl)methylamine)
2921.19.61.40Trichlormethine (INN) (tris(2-chloroethyl)amine)
2921.19.61.95Other
2921.21.00.00Ethylenediamine and its salts5.8%
2921.22Hexamethylenediamine and its salts:
2921.22.05.00Hexamethylenediamine adipate (Nylon salt)6.5%
2921.22.10.00Derived in whole or in part from adipic acid6.5%
2921.22.50.00Other6.5%
2921.29.00Other6.5%
2921.29.00.10Tetraethylene pentamine
2921.29.00.20Triethylenetetramine
2921.29.00.30Diethylenetriamine
2921.29.00.55Other
2921.30Cyclanic, cyclenic or cycloterpenic mono- or polyamines, and their derivatives; salts thereof:
2921.30.05.001,3-Bis(aminoethyl)cyclohexaneFree
2921.30.10.00Products described in additional U.S. note 3 to section VI6.5%
2921.30.30.00Other6.5%
2921.30.50.00Other3.7%
2921.41Aniline and its salts:
2921.41.10.00Aniline6.5%
2921.41.20.00Aniline salts6.5%
2921.42Aniline derivatives and their salts:
2921.42.10.00<i>N</i>,<i>N</i>-Dimethylaniline6.5%
2921.42.15.00<i>N</i>-Ethylaniline; and<i>N</i>,<i>N</i>-Diethylaniline6.5%
2921.42.16.002,4,5-TrichloroanilineFree
2921.42.18.00<i>o</i>-Aminobenzenesulfonic acid (Orthanilic acid); 6-Chlorometanilic acid; 2-Chloro-5-nitroaniline; 4-Chloro-3-nitroaniline; 2,3-Dichloroaniline; 2,4-Dichloroaniline; 2,5-Dichloroaniline; 3,5-Dichloroaniline;<i>N</i>,<i>N</i>-Diethylmetanilic acid;<i>N</i>,<i>N</i>-Diethylmetanilic acid, sodium salt; 2,4-Difluoroaniline;<i>p</i>-Fluoroaniline;<i>N</i>-Methylaniline; and<i>m</i>-Nitroaniline5.8%
2921.42.21.00Metanilic acid6.5%
2921.42.22.00Sulfanilic acid6.5%
2921.42.23.003,4-Dichloroaniline6.5%
2921.42.36.00<i>m</i>-Chloroaniline; 2-Chloro-4-nitroaniline; 2,5-Dichloroaniline-4-sulfonic acid and its monosodium salt; 2,4-Dinitroaniline;<i>o</i>-Nitroaniline-<i>p</i>-sulfonic acid, sodium salt; and 2,3,4-TrifluoroanilineFree
2921.42.55.00Fast color bases6.5%
2921.42.65.00Products described in additional U.S. note 3 to section VI6.5%
2921.42.90.00Other6.5%
2921.43Toluidines and their derivatives; salts thereof:
2921.43.04.003-Chloro-<i>o</i>-toluidine; and 6-Chloro-<i>o</i>-toluidineFree
2921.43.08.004-Chloro-<i>o</i>-toluidine and hydrochloride; 5-Chloro-<i>o</i>-toluidine; 6-Chloro-2-toluidine-4-sulfonic acid; 4-Chloro-<i>α</i>,<i>α</i>,<i>α</i>-trifluoro-<i>o</i>- toluidine; 2,6-Dichloro-<i>m</i>-toluidine;<i>N</i>,<i>N</i>- Dimethyl-<i>p</i>-toluidine;<i></i><i>N</i>-Ethyl-<i>N</i>-benzyl-<i>m</i>-toluidine; and<i>N</i>-Ethyl-<i>o</i>-toluidine5.8%
2921.43.15.00<i>α</i>,<i>α</i>,<i>α</i>-Trifluoro-2,6-dinitro-<i>N</i>,<i>N</i>-dipropyl-<i>p</i>- toluidine (Trifluralin)6.5%
2921.43.19.00<i>α</i>,<i>α</i>,<i>α</i>-Trifluoro-<i>o</i>-toluidine; and<i>α</i>,<i>α</i>,<i>α</i>-Trifluoro-6-chloro-<i>m</i>-toluidine6.5%
2921.43.22.00<i>N</i>-Ethyl-<i>N</i>-(2-methyl-2-propenyl)-2,6- dinitro-4-(trifluoromethyl)benzenamine6.5%
2921.43.24.002-Amino-5-chloro-4-ethyl benzenesulfonic acid; 2-Amino-5-chloro-<i>p</i>-toluenesulfonic acid;<i>p</i>-Nitro-<i>o</i>-toluidine; and 3-(Trifluoromethyl) aniline (<i>m</i>-Aminobenzotrifluoride)Free
2921.43.40.00Products described in additional U.S. note 3 to section VI6.5%
2921.43.90Other6.5%
2921.43.90.202-Chloro-<i>p</i>-toluidine-5-sulfonic acid (CAS No. 88-51-7)
2921.43.90.40<i>p</i>-Toluidine-<i>m</i>-sulfonic acid (CAS No. 88-44-8)
2921.43.90.90Other
2921.44Diphenylamine and its derivatives; salts thereof:
2921.44.05.004,4'-Bis (<i>α</i>,<i>α</i>-dimethylbenzyl) diphenylamine; and<i>N</i>-NitrosodiphenylamineFree
2921.44.10.00Nitrodiphenylamine6.5%
2921.44.20.00Products described in additional U.S. note 3 to section VI6.5%
2921.44.70.00Other6.5%
2921.451-Naphthylamine (<i>α</i>-Naphthylamine), 2-Naphthylamine (<i>β</i>-Naphthylamine), and their derivatives; salts thereof:
2921.45.10.007-Amino-1,3-naphthalenedisulfonic acid and its salts; 5-Amino-2-naphthalenesulfonic acid and its salts; 8-Amino-1-naphthalenesulfonic acid and its salts; and<i>N</i>-Phenyl-2-naphthylamine6.5%
2921.45.20.003-Amino-2,7-naphthalenedisulfonic acid; 4-Amino-1-naphthalenesulfonic acid, sodium salt; 5-Amino-1-naphthalenesulfonic acid (Laurent's acid); 8-Amino-2-naphthalenesulfonic acid and its salts; 7-Amino-1,3,6-naphthalenetrisulfonic acid; 8-Anilino-1-naphthalenesulfonic acid (Phenyl Peri acid) and its salts; and<i>N</i>-Ethyl-1-naphthylamine5.8%
2921.45.25.00Mixtures of 5- and 8-amino-2-naphthalene- sulfonic acid; 2-Naphthylamine-6-sulfonic acid; and<i>o</i>-Naphthionic acid (1-amino- 2-naphthalene- sulfonic acid)Free
2921.45.60.00Products described in additional U.S. note 3 to section VI6.5%
2921.45.90Other6.5%
2921.45.90.102-Amino-1-naphthalenesulfonic acid (Tobias acid)
2921.45.90.90Other
2921.46.00.00Amfetamine (INN), benzfetamine (INN), dexamfetamine (INN), etilamfetamine (INN), fencamfamin (INN), lefetamine (INN), levamfetamine (INN), mefenorex (INN) and phentermine (INN); salts thereofFree
2921.49Other:
2921.49.10.004-Amino-2-stilbenesulfonic acid and its salts;<i>p</i>-Ethylaniline; 2,4,6-Trimethylaniline (Mesidine); 2,3-Xylidine; 2,4-Xylidine; 2,5-Xylidine; and 3,4-Xylidine5.8%
2921.49.15.00<i>m</i>-Nitro-<i>p</i>-toluidineFree
2921.49.32.00Fast color bases6.5%
2921.49.38.00Antidepressants, tranquilizers and other psychotherapeutic agents6.5%
2921.49.43.00Other6.5%
2921.49.45.00Products described in additional U.S. note 3 to section VI6.5%
2921.49.50.00Other6.5%
2921.51<i>o</i>-, <i>m</i>-, <i>p</i>-Phenylenediamine, diaminotoluenes, and their derivatives; salts thereof:
2921.51.10.004-Amino-2-(<i>N</i>,<i>N</i>-diethylamino) toluene hydrochloride;<i>m</i>-Phenylenediamine;<i>o</i>-Phenylenediamine; Toluene-2,4-diamine; Toluene-2,5-diamine; and Toluene-2,5-diamine sulfate6.5%
2921.51.20.00Photographic chemicals6.5%
2921.51.30.00Products described in additional U.S. note 3 to section VI6.5%
2921.51.50.00Other6.5%
2921.59Other:
2921.59.04.001,8-Diaminonaphthalene (1,8-Naphthalenediamine)Free
2921.59.08.005-Amino-2-(<i>p</i>-aminoanilino) benzenesulfonic acid; 4,4'-Diamino-3-biphenylsulfonic acid (3-Benzidinesulfonic acid); 3,3'-Dimethylbenzidine (<i>o</i>-Tolidine); 3,3'-Dimethylbenzidine hydrochloride; Ethyl-(2-dimethylaminoethyl) aniline;<i>N</i>-Ethyl-<i>N</i>,<i>N</i>'-dimethyl-<i>N</i>'-phenylethylene- diamine; and 4,4'-Methylenebis(2-chloroaniline)5.8%
2921.59.17.004,4'-Benzidine-2,2'-disulfonic acid; 1,4-Diaminobenzene-2-sulfonic acid; 4,4'-Methylene bis ((3-chloro-2,6-diethylaniline); 4,4'-Methylene bis(2,6-diethylaniline); 4,4'-Methylene bis (2,6-diisopropylaniline);<i>m</i>-Xylene diamine; and 3,3'-Diaminobenzidine (tetraaminobiphenyl)Free
2921.59.20.004,4'-Diamino-2,2'-stilbenedisulfonic acid6.5%
2921.59.30.004,4'-Methylenedianiline6.5%
2921.59.40.00Products described in additional U.S. note 3 to section VI6.5%
2921.59.80Other6.5%
2921.59.80.103,3'-Dichlorobenzidine dihydrochloride
2921.59.80.90Other

Federal Register (1)

Court of International Trade & Federal Circuit (15)

View all 15+ cases on PACER →

Matching Export Code (Schedule B)

2921110000Schedule B

METHYLAMINE (AMINOMETHANE), DI OR TRIMETHYLAMINE AND THEIR SALTS

Census Bureau export classification matching this HTS import code.

2920.90.51.002921.11.00.00